Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 10SQ
Dorsal root ganglia contain _______ of sensory neurons.
- a. cell bodies
- b. axon terminals
- c. dendrites
- d. all of the above
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Ganglia are ...
a) ... collections of nerve cell bodies outside the CNS
b) ... part of a nerve cell
c) ... the connection between two nerve cells
d) ... collections of nerve fibers in the CNS
e) ... a type of glial cells in the brain
Parasympathetic ganglia are located a. in a chain parallel to the spinal cord. b. in the dorsal roots of spinal nerves. c. next to or within the organs innervated. d. in the brain.
Neurotransmission is the way that brain cells communicate, and the bulk of those communications occur at a site called the
a. Basal Ganglia
b. Neurons
c. Synapses
d. Hypothalamus
Chapter 32 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 32 - ___ relay messages from the brain and .spinal cord...Ch. 32 - Prob. 1DAACh. 32 - Prob. 2DAACh. 32 - Prob. 3DAACh. 32 - Prob. 4DAACh. 32 - When a neuron is at rest, ______ a. it is at...Ch. 32 - Action potentials occur when ________ a. a neuron...Ch. 32 - True or false? Action potentials vary in their...Ch. 32 - Neurotransmitters are released by _______ a. axon...Ch. 32 - What chemicals is released by the axon terminals...
Ch. 32 - Which neurotransmitter is important in...Ch. 32 - Skeletal muscles are controlled by _________ a....Ch. 32 - When you sit quietly on the couch and read, output...Ch. 32 - Dorsal root ganglia contain _______ of sensory...Ch. 32 - Prob. 11SQCh. 32 - Neurons are arrested in ________ of the cell...Ch. 32 - Prob. 13SQCh. 32 - Commands to move your right arm start in the...Ch. 32 - Match each item with its description. ___ gray...Ch. 32 - Prob. 1CTCh. 32 - In human newborns, especially premature ones, the...
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- What do multiple sclerosis and ALS (amyotropic lateral sclerosis) have in common?a. They both are more common in young men than in young women.b. They both impair the initiation of action potentials.c. They both damage the myelin sheath, disrupting action potential transmission.d. They both impair nerve function in the peripheral nervous systemarrow_forwardThe largest, outermost portion of the brain in humans is thea. cerebellum. c. reticular activating system.b. cerebrum. d. thalamus.arrow_forwardNeurons in the ________ control motor reflexes. a. thalamus b. spinal cord c. parietal lobe d. hippocampusarrow_forward
- Which of these is caudal to the hypothalamus? a. the thalamus b. the optic chiasm c. the cerebral aqueduct d. the pituitary gland e. the corpus callosumarrow_forwardMemories are stored in the sensory association areas of thea. cerebral cortex.b. spinal cord.c. brain stem.d. hypothalamus.arrow_forwardThe subdivision of the brain that does not initiate somatic motor movements, but rather coordinates and fine-tunes those movements, is the a. medulla oblongata. b. cerebrum. c. cerebellum. d. diencephalon.arrow_forward
- Fill in the blankes The somatic motor neurons innervating the __________________ of the lower limbs are located in the _________________ of the spinal cord. A. smooth muscles; lumbar region B. skeletal muscles; cervical region C. skeletal muscles; lumbar region D. skin; cervical regionarrow_forwardAll of the following are true concerning reflex arcs EXCEPT A.they involve a few neurons and directly enter and immediately leave the spinal cord B.they are used to prevent harm C.they are subconscious and automatic D.they only use the PNS and not the CNSarrow_forwardThe integration of the internal activities of the body is controlled by thea. cerebrum.b. cerebellum.c. hypothalamus.d. brain stem.arrow_forward
- the largest division of the human brain which mediates the brain's most complex function (is.. complex cognitive processes is called the A. metencephalon b. diencephalon c. mesencephalon d. telecephalonarrow_forwardWhich of the following is a direct target of the vestibular ganglion? a. superior colliculus b. cerebellum c. thalamus d. optic chiasmarrow_forwardAll of the following statements are accurate about the choroid plexus except a. it is located within the ventricles of the brain. b. it is composed of ependymal cells and blood capillaries. c. it receives and filters all sensory information. d. it produces and circulates cerebrospinal fluid.arrow_forward
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